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USRE17179E - Pbintino fobm and method of producing same - Google Patents

Pbintino fobm and method of producing same Download PDF

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Publication number
USRE17179E
USRE17179E US17179DE USRE17179E US RE17179 E USRE17179 E US RE17179E US 17179D E US17179D E US 17179DE US RE17179 E USRE17179 E US RE17179E
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US
United States
Prior art keywords
layer
base
copper
metal
coating
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
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English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication date
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N1/00—Printing plates or foils; Materials therefor
    • B41N1/16—Curved printing plates, especially cylinders
    • B41N1/20—Curved printing plates, especially cylinders made of metal or similar inorganic compounds, e.g. plasma coated ceramics, carbides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N1/00—Printing plates or foils; Materials therefor
    • B41N1/04—Printing plates or foils; Materials therefor metallic
    • B41N1/06—Printing plates or foils; Materials therefor metallic for relief printing or intaglio printing

Definitions

  • This invention relates-to improvements in printing forms or surfaces for use in photogravure, rotary photogravure and like processes and to a novel method of producingsuch forms or surfaces.
  • the primary object contemplated by the present invention consists inproviding a novel rinting form for photogravure or rotary p otogravure processes, as well as a novel method of preparin .such a form,
  • the improved process herein disclosed for the production of printing forms provides a means of depositing by electrolysis upon 'a metallic base, preferably cylindrical in form, a layer of metal, preferably copper, in such a manner that the layer or coating, though surrounding the base and remaining in close contact therewith by reason of its own cylindrical and alli-embracing form, can at any time beY stripped from the base by peeling or tearing therefrom, beginning at the circumferential ends of the base.4
  • the process also provides, in order to further guard against the removal fof the outer layer of Irietal until such removal is desired, a seal or lock for a narrow margin along the two circumferential ends of the cylinder, said seal consisting of an actual mechanical union between the outer -12 of copper, the ybase 10 of co ⁇ posed 0f copper sulphate,
  • Figure 1 is a perspective view of a' print# ing. roll showing the use of my invention.
  • Figure 2 is an enlarged fragmentary sectiona view thereof.
  • the printin form may assume any desired shape, in so ar as the practice of the present invention is concerned, the form shownv in the present instance comprises a ATENTr oFFICEgI permanent base in the form of a cylinder 10,
  • a brass or -copper surface preferably with a brass or -copper surface, which ⁇ may be for mounting itin the apparatus in which it is to be used.
  • Applied to said base 10 is a thin layer or coating of material 11 of relativel ow fusibility, preferabl an alloy of tin, ead, cadmium and bismut or other alloy of low fusibility, which is ap lied to base 10 by raising the temperature o base 10 to a higher degree than the melting point of the alloy, and then applyingathe same, using suitable fluxes, and wiping t e alloy over the entire useful surface of base 10, polishing 0H to a uniform mirror nish.
  • Other suitable means common in solderin practices can be rovided with a suitable .meansl the coating of alloy.
  • the intermediate layer o an alloy of lead, tin, bismuth and cadmium, or other alloy, in such proportionsas willk give an alloy melting point of about 202 degrees Fahrenheit.
  • the form With the base 10 coated with this alloy of lead, tin, cadmium and bismuth, or other alloy, but with narrow margins at each end, 13 and 14, exposed and presenting a portion of thev base not covered with the alloy, the form is immersed in a plating solution comwater' and sulphuric acid in approximate proportions of two pounds of copper sulphate and one half pound of sulphuric acid to one gallon of Water, and kept in rapid uniform rotation, while subjected to a current of electricity passing from a sheetof copper placed nearby in the solution and known as the anode, the revolving cylinder being the cathode and being electricall connected with the source of cur# rent supp y, the whole being the arrangement commonly used in the electro-deposition of copper.
  • thevery thin layer or coating 11 on the cylinder takes on a smooth and even coating of copper to any required thickness, but in pract-ice plated only toa thickness sufficient to receive the engraved image. ing will quickly render the surface 12 suitable for printing purposessuch as before mentioned.
  • the layer 12 is not mechanicallyuor otherwise attached thereto, it being a peculiar and requisite characteristic of the alloysurface, that the thin layer of electro-deposited copper 12, by reason of the electro-chemical reactions with the alloy during the electroplating as formerly noted, does not adhere to the surface of the alloy 11.
  • the alloyl at all times provides al uniform conductin basic surface favoring the uniform distributon of a copper deposit from the moment the electro-deposition begins.
  • process may be re- .presentV invent-ion eliminates the grinding down of the copper or other base and the consequent reduction in sizeof the form.
  • Non-adhesion between the major portion of the outer layer and cylinder may be effected in numerous ways.
  • Grease, oil, graphite or tarnishing and oxidizing re-agents may be spread over the surface of the metallic base,- thereby preventing the adhesion of the copper of the outer layer in electro-plating said copper upon the base.
  • the method of producing cylindrical printing forms for use in photogravure and like processes consisting of providing a per-o manent metallic cylindrical base having a smooth or polished outer layer of a material characterized by the fact that the metal used thereon for printing will not permanently unite therewith, and providingr a coating of hard metal of a depth suflicient to receive the engraved image on said outer layer by elecof hard metal being adapted to be readily removed from the base after use without substantially aii'ecting said outer layer.
  • the method of producing printing forms or surfaces for use in photogravure and like processes consisting of providing on a permanent base a layer of material with which the metal used thereon for printnig will not rmanently unite, and providing a thin coating of the required metal on the said layer base by electrodepositing the said metal thereon, the coating being adapted to be readily stripped from the base after use.
  • the method of producing printing forms or surfaces for use 1n photogravure and like processes which consists in applying to a permanent base'a layer of material of low fusibility which may bedistributed evenly over said permanent base and polished to a mirror smoothness conforming to the surface of the base itself, and ,coating said layer with a metallic coating on which the image to be printed may be received.
  • yrotary photogravure and like 6 The method of producing printing surfaces for use in photogravure and like processes which consists in applying to a permanent base a la er of metalfof low melting point, and app ying to said layer by electrodeposition, a layer of copper upon which the image to be printed may be received.
  • cop er layer may at any time be stripped thereiiom.
  • a cylindrical printing form for use in photogravure and like processes consisting oa permanent metallic base having an outer layer finished to a mirror-like surface and characterized by the fact that it is susceptible to electrochemical action solely to the extent of permitting the adherence between said layer and the metalused for printing, rmdy an exterior layer of hard metal electrodeposited thereon to a depth suiicient to re ceive only a single engraved image whereby said exterior layer may be removed from said mirror-like surface without substantially affecting the latter.
  • processes consisting of a permanent base, and a multiplicity of layers of metal on same, the exterior' layer being electrodeposited thereon, and adapted to receive the image to be engraved thereon, the connection between said exterior layer and the nexta adjacent layer being such that said exterior layer is capable of being bodily removed from said form by merely stripping away.
  • a printing form for use in photogravure land'like processes consisting of a permanent base, a thin layer of metal of low relative fusibility on said base, and an exterior layer electro'deposited thereon but not adhering to the inner layer of metal of low hesion exists between the exterior layer and the base and thereafter stripping away the remaining portions whichhave not adhered to the meta of low fusibility.
  • a printing form for use in photogravure and like processes consisting of a permanent base, a thin layer of metal of low fusibility on said base, and an exterior layer of metal electrodeposited thereon, said ex,
  • the method of producing printing surfaces for use in photogravure and like processes which consists in applying to a permanent base a coating of an alloy of tin, lead, cadmium and bismuth, and applying to said coating by electrodeposition a layer .of copper upon which an image to be printed may be received.
  • a printing form for use in .photogravure and likeV processes consisting of a permanent cylindrical metallic. base Afinished accurately to a definite' diameter and provided With a surface layer havingan outer mirror-like surface, said layer being formed of material characterized by 'the fact that it is susceptible to electrochemical action solely to the extent of permitting the adherence on said base and an exterior' layerbetween said layer and the metal used for printing, and an exterior layer of hard metal electro-deposited thereon to a depth sufficient only for manner to provide a smooth outer surface approximating the smoothness of said base,
  • An intaglio printing form comprising a metallic base, a thin layer of metal applied to said base and finished accurately to a definite diameter and providedwith an outer polished mirror-like surface, said layer being formed of a material characterized by the fact that. it Will unite With but not permanently adhere -to copper when the latter is electrolytically deposited thereon, and a thin exteriornlayer of copper electro-deposited on said first named layer to a depth sufiicient only for receiving a single etching and in such manner as to provide an exterior layer having asmooth printing surface approximating the smoothness of said first named layer,

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Electroplating Methods And Accessories (AREA)
US17179D 1926-03-19 Pbintino fobm and method of producing same Expired USRE17179E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US267911XA 1926-03-19 1926-03-19

Publications (1)

Publication Number Publication Date
USRE17179E true USRE17179E (en) 1929-01-01

Family

ID=21833803

Family Applications (1)

Application Number Title Priority Date Filing Date
US17179D Expired USRE17179E (en) 1926-03-19 Pbintino fobm and method of producing same

Country Status (4)

Country Link
US (1) USRE17179E (de)
DE (1) DE464217C (de)
FR (1) FR630337A (de)
GB (1) GB267911A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2776256A (en) * 1953-03-19 1957-01-01 Kurt P A Eulner Process of making intaglio printing cylinders
US20240084457A1 (en) * 2022-09-09 2024-03-14 Hamilton Sundstrand Corporation Expansive coatings for anchoring to composite substrates

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3292535A (en) * 1964-08-21 1966-12-20 Triangle Publications Inc Protective sleeve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2776256A (en) * 1953-03-19 1957-01-01 Kurt P A Eulner Process of making intaglio printing cylinders
US20240084457A1 (en) * 2022-09-09 2024-03-14 Hamilton Sundstrand Corporation Expansive coatings for anchoring to composite substrates

Also Published As

Publication number Publication date
FR630337A (fr) 1927-12-01
DE464217C (de) 1928-08-14
GB267911A (en) 1927-09-15

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